Who We Are




Our Team

Clint Redwine
President
Years at Magnum: 26
Years in Construction: 41
Certifications: Former Chair and Graduate of Leadership Broken Arrow, Former Executive Board Member of Associated Builders and Contractors of Oklahoma
As president of Magnum, Clint has been actively nurturing and growing the company since its inception 25 years ago. Clint proudly provides overall direction and administration of all company operations, ensuring the company functions and runs smoothly and client expectations are continually exceeded.
When not at work, Clint enjoys playing golf and working on classic cars.

Nick Redwine
DIRECTOR
Years at Magnum: 2
Years in Construction: 2
Certifications: Associate Constructor, American Institute of Constructors; OSHA 30 hour, Adult First Aid/CPR AED
Nick supports the project management team throughout the duration of projects by handling tasks including processing submittals, writing RFIs, assembling schedules and conducting weekly progress meetings. In addition, he supports the estimating team by communicating with subcontractors prior to bid dates, reviewing bids for adequate scope coverage, coordinating site visits and attending pre-bid conferences.
Outside of work, Nick enjoys playing the drums, golfing, skateboarding, hanging out with friends and family, and working on cars with his dad.

Nyles Buckingham
Vice President
Years at Magnum: 10
Years in Construction: 20
Certifications: OSHA 30 Hour, LEED GA
Nyles provides general oversight for operations at Magnum Construction, including estimating and preparing customer budgets, establishing and maintaining relationships with design professionals, owners and subcontractors, and managing job order contracts. Nyles also assists with internal support, management, and conflict resolution, making him an invaluable asset to the company.
Outside of work, Nyles loves hanging out with his girls: Lyric, 9, Thea, 4, and Mom (age undisclosed). He spends his Sundays leading the band at the Downtown Church in Tulsa, Oklahoma, and in the summer he spends his weekends on the boat!

Ethan Mays
project engineer
Years at Magnum: Working on 1st Year
Years in Construction: 1
Ethan supports the project management team along with the estimating of projects. His tasks may include communicating with owners, subcontractor, and vendors to make sure projects are covered in every aspect.

Casey Chasteen
Project MANAGER
Years at Magnum: Working on his 1st Year
Casey serves as liaison between all key stakeholders of construction projects, including owners, designers, and subcontractors. He also provides oversight and management of the primary factors driving every project: time, quality and cost.

Leslie Gross
Administrative Support/Account Coordinator
Years at Magnum: 3
Years in Construction: 3
Leslie oversees all aspects of accounts payable and receivable. She also assists with processing subcontractor pay applications, payroll, and submitting weekly, quarterly and annual payroll taxes.
When not at work, Leslie enjoys watching baseball, camping, spending time with her family, friends and grandkids and being involved with the Broken Arrow Elks Lodge.

Misti Neufeld
Contract Administrator/
Office Manager
Years at Magnum: 14
Years in Construction: 14
Certifications: Versed Calendar, Policy and Procedure Guru
Misti’s work at Magnum includes preparing bid documents for proposal submission and ensuring all plans, specs and addendums are in order for bid day. In addition, Misti is in charge of reviewing contracts from owners and to subcontractors.
In her free time, Misti enjoys fishing, automobiles, softball and spending time with family.

Avery Mize
Administrative assistant
Years at Magnum: Starting her 1st year
Avery’s work at Magnum includes preparing bid documents for proposal submission and ensuring all plans, specs and addendums are in order for bid day.
In her free time, Avery enjoys being at the lake, automobiles, and spending time with her family.

Cary
Treat
Superintendent
Years at Magnum: 13

David
Gross
Equipment Manager
Years at Magnum: 24

Anthony Burchett
Superintendent
Years at Magnum: 4

Brody
Smith
Superintendent
Years at Magnum: 7

Daniel
Miller
Superintendent
Years at Magnum: 16

Jon
Tedford
Superintendent
Years at Magnum: 3

Greg Hannaford
Superintendent
Years at Magnum: 1

Mike
Dunn
Superintendent
Years at Magnum: 25

Kodi Broomhall
Superintendent
Years at Magnum: 4

Ron
Donaldson
Superintendent
Years at Magnum: 15

Shannon
Crittenden
Superintendent
Years at Magnum: 14

Baja Thompson
Superintendent
Years at Magnum: 4